Fix sycl-offload-intelfpga to align with clang-offload-wrapper changes

Author: vmaksimo

clang/test/Driver/sycl-offload-intelfpga.cpp

@@ -113,9 +113,9 @@
 // RUN: mkdir -p %t_dir
 // RUN: touch %t_dir/dummy_file.cpp
 // RUN: %clangxx -### -fsycl -fintelfpga -fsycl-link -target x86_64-unknown-linux-gnu %t_dir/dummy_file.cpp 2>&1 \
-// RUN: | FileCheck -check-prefixes=CHK-SYCL-LINK-LIN -DINPUTSRC=dummy_file %s
+// RUN: | FileCheck -check-prefixes=CHK-SYCL-LINK-LIN -DINPUTSRC=a %s
 // RUN: %clang_cl -### -fsycl -fintelfpga -fsycl-link %t_dir/dummy_file.cpp 2>&1 \
-// RUN: | FileCheck -check-prefixes=CHK-SYCL-LINK-WIN -DINPUTSRC=dummy_file %s
+// RUN: | FileCheck -check-prefixes=CHK-SYCL-LINK-WIN -DINPUTSRC=a %s
 // CHK-SYCL-LINK-LIN: llvm-ar{{.*}} "cr" "[[INPUTSRC]].a"
 // CHK-SYCL-LINK-WIN: lib.exe{{.*}} "-OUT:[[INPUTSRC]].a"